About Us

UL508A certified panel shop serving manufacturers locally and internationally with precision assembly and installation services.

Your Trusted Partner in Industrial Assembly

Custom Assembly Services (CAS) is a UL508A certified panel shop based in Green Bay, Wisconsin. We specialize in providing expert industrial assembly and installation services for equipment manufacturers around the world.
Our mission is to deliver precision engineering and skilled craftsmanship that helps our partners bring their products to market faster and more reliably.
UL508A Certified
International OEM Partnerships
Experienced Technicians
Turnkey Solutions
Control panel wiring

Certifications & Standards

We maintain the highest industry certifications to ensure quality and safety

UL508A

Certified Industrial Control Panel manufacturer

Quality Assurance

Rigorous testing and inspection processes

Safety First

Compliance with all safety regulations and standards

Our Values

The principles that guide everything we do

Quality

Uncompromising commitment to excellence in every project

Speed

Fast turnaround times without sacrificing quality

Partnership

Building long-term relationships with our clients

Precision

Meticulous attention to detail in all our work

Ready to Partner With Us?

Let's discuss how we can support your manufacturing and assembly needs.

Get In Touch